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149491745348 = 22118938174603
BaseRepresentation
bin1000101100111001100…
…1110000001001000100
3112021212100002111120012
42023032121300021010
54422124341322343
6152401530525352
713541354604161
oct2131631601104
9467770074505
10149491745348
1158443213990
1224b80596858
131113519706a
14734208b068
153d4e185718
hex22ce670244

149491745348 has 24 divisors (see below), whose sum is σ = 288600006240. Its totient is φ = 67187299520.

The previous prime is 149491745341. The next prime is 149491745363. The reversal of 149491745348 is 843547194941.

It is a super-2 number, since 2×1494917453482 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (149491745341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19083386 + ... + 19091217.

It is an arithmetic number, because the mean of its divisors is an integer number (12025000260).

Almost surely, 2149491745348 is an apocalyptic number.

It is an amenable number.

149491745348 is a deficient number, since it is larger than the sum of its proper divisors (139108260892).

149491745348 is a wasteful number, since it uses less digits than its factorization.

149491745348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38174707 (or 38174705 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 59.

The spelling of 149491745348 in words is "one hundred forty-nine billion, four hundred ninety-one million, seven hundred forty-five thousand, three hundred forty-eight".

Divisors: 1 2 4 11 22 44 89 178 356 979 1958 3916 38174603 76349206 152698412 419920633 839841266 1679682532 3397539667 6795079334 13590158668 37372936337 74745872674 149491745348